| Index: runtime/lib/compact_hash.dart
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| diff --git a/runtime/lib/compact_hash.dart b/runtime/lib/compact_hash.dart
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| index 86ec9d83acf8362b2944173e910c5db56faffd28..9912d07f2afb02bdc35f7642c785e34832e7ceaa 100644
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| --- a/runtime/lib/compact_hash.dart
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| +++ b/runtime/lib/compact_hash.dart
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| @@ -2,6 +2,9 @@
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|  // for details. All rights reserved. Use of this source code is governed by a
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|  // BSD-style license that can be found in the LICENSE file.
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|  
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| +import 'dart:typed_data';
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| +import 'dart:_internal' as internal;
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| +
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|  // Hash table with open addressing that separates the index from keys/values.
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|  
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|  abstract class _HashFieldBase {
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| 
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